test: a lab that runs a real desktop where no VM can exist
The development host is a VM without /dev/kvm, so a candidate desktop cannot be given a virtual machine here. It gets a systemd container instead, with the session nested inside a headless sway so that grim can photograph it and sway's IPC can aim a real pointer at it. Plasma 6.3.6 comes up in it, software-rendered, at 1920x1080. Co-Authored-By: Claude Opus 5 <[email protected]>
This commit is contained in:
ekklesia
co-authored by
Claude Opus 5
Claude Opus 5
parent
71db7fd6ec
commit
bfc7caf28f
Executable
+176
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#!/bin/bash
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# Classroom v2 test lab driver.
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#
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# The development host is a VM with no /dev/kvm, so the desktop under test
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# runs inside a systemd container instead of a virtual machine. Nothing this
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# script does touches the host outside Docker.
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#
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# The session is nested: an outer headless sway exists only to give the
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# desktop under test a display that grim can capture and that sway's IPC can
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# aim a real pointer at. The outer compositor is lab equipment, not part of
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# the classroom design.
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set -euo pipefail
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ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
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NAME="${LAB_NAME:-classroom-v2-lab}"
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IMAGE="${LAB_IMAGE:-classroom-v2-lab:plasma}"
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DOCKERFILE="${LAB_DOCKERFILE:-tools/lab/Dockerfile.plasma}"
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SHOTS="${LAB_SHOTS:-$ROOT/docs/screenshots}"
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OUTER=wayland-1
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session_env() {
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docker exec -u classroom \
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-e XDG_RUNTIME_DIR=/run/user/1000 \
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-e HOME=/home/classroom \
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-e LANG=C.UTF-8 \
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-e DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1000/bus \
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"$@"
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}
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# Talk to the outer lab compositor: grim, swaymsg.
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outer() {
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local sock
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sock=$(docker exec "$NAME" sh -c 'ls /run/user/1000/sway-ipc.* 2>/dev/null | head -1')
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session_env -e WAYLAND_DISPLAY="$OUTER" -e SWAYSOCK="$sock" "$NAME" "$@"
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}
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# Talk to the Plasma session under test.
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inner() {
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session_env -e WAYLAND_DISPLAY=wayland-0 -e XDG_CURRENT_DESKTOP=KDE \
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-e QT_QPA_PLATFORM=wayland "$NAME" "$@"
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}
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case "${1:-}" in
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build)
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shift
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exec docker build -f "$ROOT/$DOCKERFILE" -t "$IMAGE" "$@" "$ROOT"
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;;
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up)
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docker rm -f "$NAME" >/dev/null 2>&1 || true
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docker run -d --name "$NAME" \
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--privileged --cgroupns=private \
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--tmpfs /run --tmpfs /run/lock \
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--shm-size=1g \
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-v "$ROOT:/srv/classroom:ro" \
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"$IMAGE" >/dev/null
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for _ in $(seq 1 90); do
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state=$(docker exec "$NAME" systemctl is-system-running 2>/dev/null || true)
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[[ "$state" == running || "$state" == degraded ]] && break
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sleep 1
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done
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for _ in $(seq 1 30); do
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docker exec "$NAME" test -S /run/user/1000/bus && break
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sleep 1
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done
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# startplasma looks for `qdbus`; Debian ships it as qdbus6.
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docker exec "$NAME" ln -sf /usr/bin/qdbus6 /usr/local/bin/qdbus
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echo "lab $NAME is up ($(docker exec "$NAME" systemctl is-system-running 2>/dev/null))"
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;;
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down)
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docker rm -f "$NAME" >/dev/null 2>&1 || true
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echo "lab $NAME is down"
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;;
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outer-up)
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session_env \
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-e WLR_BACKENDS=headless -e WLR_LIBINPUT_NO_DEVICES=1 \
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-e WLR_RENDERER=pixman -e LIBGL_ALWAYS_SOFTWARE=1 \
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-d "$NAME" sh -c 'exec sway -c /srv/classroom/tools/lab/outer-sway.conf \
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> /tmp/outer-sway.log 2>&1'
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for _ in $(seq 1 30); do
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docker exec "$NAME" test -S "/run/user/1000/$OUTER" && break
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sleep 1
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done
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echo "outer compositor on $OUTER"
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;;
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plasma-up)
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session_env \
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-e WAYLAND_DISPLAY="$OUTER" -e XDG_SESSION_TYPE=wayland \
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-e XDG_CURRENT_DESKTOP=KDE -e LIBGL_ALWAYS_SOFTWARE=1 \
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-d "$NAME" sh -c 'exec startplasma-wayland > /tmp/plasma.log 2>&1'
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for _ in $(seq 1 60); do
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docker exec "$NAME" pgrep -x plasmashell >/dev/null 2>&1 && break
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sleep 1
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done
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sleep 5
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echo "plasma session up"
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;;
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plasma-down)
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docker exec "$NAME" pkill -u classroom -f startplasma-wayland || true
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docker exec "$NAME" pkill -u classroom -x plasmashell || true
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docker exec "$NAME" pkill -u classroom -x kwin_wayland || true
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sleep 2
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echo "plasma session down"
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;;
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session)
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"$0" outer-up
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"$0" plasma-up
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;;
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shot)
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# shot NAME [--delay SECONDS]
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name="${2:?usage: lab shot NAME}"
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outer grim /tmp/lab-shot.png >/dev/null
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mkdir -p "$SHOTS"
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docker exec "$NAME" cat /tmp/lab-shot.png > "$SHOTS/$name.png"
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echo "$SHOTS/$name.png"
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;;
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click)
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# click X Y — a real pointer press in the session under test
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outer swaymsg seat - cursor set "$2" "$3" >/dev/null
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sleep 0.3
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outer swaymsg seat - cursor press button1 >/dev/null
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sleep 0.1
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outer swaymsg seat - cursor release button1 >/dev/null
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;;
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move)
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outer swaymsg seat - cursor set "$2" "$3" >/dev/null
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;;
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key)
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shift
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outer wtype "$@"
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;;
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sh)
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shift
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exec docker exec -it "$NAME" bash "$@"
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;;
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run) shift; session_env "$NAME" "$@" ;;
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irun) shift; session_env -it "$NAME" "$@" ;;
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inner) shift; inner "$@" ;;
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inner-it) shift; session_env -it -e WAYLAND_DISPLAY=wayland-0 -e XDG_CURRENT_DESKTOP=KDE "$NAME" "$@" ;;
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outer) shift; outer "$@" ;;
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*)
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cat <<USAGE
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usage: tools/lab/lab COMMAND
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build build the lab image
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up start the lab container (systemd inside)
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down remove it
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session outer compositor + a Plasma session on top of it
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outer-up just the outer compositor
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plasma-up just the Plasma session
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plasma-down stop the Plasma session
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shot NAME capture the screen to docs/screenshots/NAME.png
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click X Y press the pointer at a screen position
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move X Y move the pointer
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key ARGS... wtype, aimed at the session
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inner CMD... run CMD as a client of the Plasma session
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outer CMD... run CMD against the lab compositor
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run CMD... run CMD as the classroom user, no display
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sh root shell in the lab
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USAGE
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exit 1
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;;
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esac
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